A sound field measuring apparatus includes a microphone set having a first and second microphones arranged at a prescribed interval, which collects audio signals outputted from a first and second speakers, a measuring unit measuring distances between the first and second speakers, and the first and second microphones based on audio signals collected by the first and second microphones, and a position calculating unit calculating a position of the first and second microphones and a position of the second speaker when the first speaker is taken as a reference position based on the respective measured distances.